<test>
    <settings>
        <max_threads>30</max_threads>
        <max_bytes_before_external_group_by>10485760</max_bytes_before_external_group_by>
    </settings>

    <query>SELECT number, count() FROM numbers_mt(5000000) GROUP BY number FORMAT Null;</query>
    <query>SELECT number, count() FROM numbers_mt(15000000) GROUP BY number FORMAT Null;</query>
    <query>SELECT number, count() FROM numbers_mt(30000000) GROUP BY number FORMAT Null;</query>
</test>
